feat: Document completed tasks for KMS, Cryptography, and Plugin Libraries

- Added detailed task completion records for KMS interface implementation and CLI support for file-based keys.
- Documented security enhancements including Argon2id password hashing, audit event contracts, and rate limiting configurations.
- Included scoped service support and integration updates for the Plugin platform, ensuring proper DI handling and testing coverage.

src/Scheduler/StellaOps.Scheduler.WebService/Options/SchedulerEventsOptions.cs

@@ -3,7 +3,8 @@ namespace StellaOps.Scheduler.WebService.Options;
 /// <summary>
 /// Scheduler WebService event options (outbound + inbound).
 /// </summary>
-using System;
+using System;
+using System.Collections.Generic;
 
 public sealed class SchedulerEventsOptions
 {
@@ -12,13 +13,43 @@ public sealed class SchedulerEventsOptions
     public SchedulerInboundWebhooksOptions Webhooks { get; set; } = new();
 }
 
-public sealed class GraphJobEventsOptions
-{
-    /// <summary>
-    /// Enables emission of legacy <c>scheduler.graph.job.completed@1</c> events.
-    /// </summary>
-    public bool Enabled { get; set; }
-}
+public sealed class GraphJobEventsOptions
+{
+    /// <summary>
+    /// Enables emission of legacy <c>scheduler.graph.job.completed@1</c> events.
+    /// </summary>
+    public bool Enabled { get; set; }
+
+    /// <summary>
+    /// Event transport driver (defaults to <c>redis</c>).
+    /// </summary>
+    public string Driver { get; set; } = "redis";
+
+    /// <summary>
+    /// Connection string for the event transport.
+    /// </summary>
+    public string Dsn { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Stream/topic identifier for published events.
+    /// </summary>
+    public string Stream { get; set; } = "stella.events";
+
+    /// <summary>
+    /// Maximum time in seconds to wait for the transport to accept an event.
+    /// </summary>
+    public double PublishTimeoutSeconds { get; set; } = 5;
+
+    /// <summary>
+    /// Maximum number of events to retain in the stream.
+    /// </summary>
+    public long MaxStreamLength { get; set; } = 10000;
+
+    /// <summary>
+    /// Additional transport-specific settings (e.g., <c>clientName</c>, <c>ssl</c>).
+    /// </summary>
+    public IDictionary<string, string> DriverSettings { get; set; } = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+}
 
 public sealed class SchedulerInboundWebhooksOptions
 {